Re: Parallelizing warmup queries

2013-11-18 Thread Chris Hostetter
: It looks like warmup queries execute sequentially. : : Considering servers have N CPU cores these days, would it make sense : to make them (optionally) run in parallel? This should help with : cases where warmup queries are CPU bound by letting Solr use more than : 1 thread and thus more than

Re: Parallelizing warmup queries

2013-11-16 Thread Otis Gospodnetic
Hi, You'd use something like SPM for Solr (http://sematext.com/spm/solr-performance-monitoring/) and correlate (long) warmup times with CPU usage on an N-core system and when you see the CPU go up during warmup, but not quite "all the way" then, I believe, you should be able to say "Hm, the CPUs a

Re: Parallelizing warmup queries

2013-11-16 Thread Saar Carmi
Otis, This raises a newbie question - How would one know what query is 1-CPU bounded and what is multi-threaded? Saar On Sat, Nov 16, 2013 at 10:28 AM, Otis Gospodnetic < otis.gospodne...@gmail.com> wrote: > Hi, > > It looks like warmup queries execute sequentially. > > Considering servers hav

Parallelizing warmup queries

2013-11-16 Thread Otis Gospodnetic
Hi, It looks like warmup queries execute sequentially. Considering servers have N CPU cores these days, would it make sense to make them (optionally) run in parallel? This should help with cases where warmup queries are CPU bound by letting Solr use more than 1 thread and thus more than 1 CPU co